Urology Austin

Keren Stick, PA-C

Keren Stick is a Board-Certified Physician Assistant (PA-C) with over 6 years working as a PA in the Austin area.  She received her Bachelor’s degree from THE Ohio State University and her Master of Physician Assistant Practice from the University of Dayton.  She works with Dr. David Friedberg at the Round Rock #1 Office, specializing in Advanced Prostate Cancer. 

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Martha Sarinana, PA-C

Martha Sarinana, PA-C, is a board certified Physician Assistant at Urology Austin.

Martha Sarinana brings to Urology Austin extensive urology experience in both the office and hospital setting. During her almost 15 years at Baylor Scott and White Health, she managed urologic care for inpatient, ER, and ICU patients. Martha earned her Bachelor of Science in Nursing from The University of Texas at Arlington and her Master of Physician Assistant Studies at A.T.

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Stephanie Moreno, MSN, APRN, AGNP-C

Stephanie Moreno, MSN, APRN, AGNP-C is a Board Certified Nurse Practitioner at Urology Austin

Stephanie Moreno is an Advanced Practice Registered Nurse and board certified Nurse Practitioner with urology, gerontology, adult and primary care experience. She also is proficient in procedure based medicine with a background in pre-operative and post-operative care.

Stephanie earned her Masters of Nursing from The University of Texas at Arlington and her Bachelor of Nursing from Texas A&M Corpus Christi.

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Natalie Nicholson, PA-C

Natalie Nicholson is a Physician Assistant at Urology Austin

Natalie Nicholson is a Board Certified Physician Assistant (PA-C). Natalie joined Urology Austin after more than six years of hospital medicine at New York-Presbyterian Weill Cornell Medical Center, Dell Seton Medical Center and Baylor Scott and White Memorial Hospital. In the hospital setting, Natalie managed patient care in internal medicine,

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Cindy Altonburg, DNP, APRN, FNP-C

Cindy Altonburg, DNP, APRN, FNP-C, is an Advanced Practice Registered Nurse, Family Nurse Practitioner at Urology Austin.

Cindy Altonburg received her Family Nurse Practitioner (FNP) and Doctor of Nursing Practice (DNP) from Baylor University, where she graduated at the top of her class, in April 2023. She was introduced to UA as part of her clinical rotation in spring 2022,

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Henry Martinez

Henry Martinez is a nurse practitioner specializing in kidney stones, diagnosis and treatment of urinary stones, enlarged prostate, genitourinary cancers and voiding dysfunction.

An experienced nurse practitioner, Henry Martinez specializes in kidney stone treatment and prevention; elevated prostate-specific antigen, or PSA; low testosterone; erectile dysfunction; and benign prostatic hyperplasia, which is also known as BPH or enlarged prostate. 

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Brandy Morrison, FNP-C

Brandy Morrison, FNP-C, focuses on genitourinary disease management

A licensed and board certified family nurse practitioner, Brandy Morrison has more than 20 years of experience working as a registered nurse within the urology and urogynecology disciplines. Her focus is to provide complete patient care and a holistic approach to genitourinary disease management. She sees patients at our Radam Lane location.

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Lucy Bush, DNP, APRN, FNP-C

Lucy Bush is a caring and knowledgeable nurse practitioner at Urology Austin

Lucy Bush, DNP, APRN, FNP-C is an advanced practice registered nurse and a family nurse practitioner at our Austin urology practice. She believes in working with patients to listen to their concerns before helping them select the best treatment plan. Patients appreciate her caring and collaborative approach to urology care.

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Megan Maloney, PA-C

Megan Maloney, PA-C is a Board Certified Physician Assistant with Urology Austin

Megan Maloney is a Board Certified Physician Assistant (PA-C) who received her Master of Science in Physician Assistant Studies from the State University of New York Syracuse in 2015 where she was the President of her class. She also holds a Bachelor Degree in English with a Minor in International Studies from Boston College.

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Amy Russo, FNP-C

Amy Russo, FNP-C is a Board Certified Nurse Practitioner with Urology Austin

Amy Russo is a Board Certified Nurse Practitioner (FNP-C) who received her Master of Science in Nursing – Family Nurse Practitioner from Spring Arbor University in June 2021. Amy also received her Bachelor of Science in Nursing from the University of Detroit Mercy,

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